INNER CODE UNIT · JavaScript

configureExposedHeaders

expressjs/cors · lib/index.js:117

  function configureExposedHeaders(options) {
    var headers = options.exposedHeaders;
    if (!headers) {
      return null;
    } else if (headers.join) {
      headers = headers.join(','); // .headers is an array, so turn it into a string
    }
    if (headers && headers.length) {
      return {
        key: 'Access-Control-Expose-Headers',
        value: headers
      };
    }
    return null;
  }

  function configureMaxAge(options) {
    var maxAge = (typeof options.maxAge === 'number' || options.maxAge) && options.maxAge.toString()

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